Due to the costs of textbooks, open educational resources have become increasingly available. Most are college-level, though some are identified as high school level.
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Database of 1,000+ open textbooks. |
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Open textbooks for math (pre-algebra through calculus and statistics) and science (biology, chemistry, physics, astronomy, anatomy and physiology, and microbiology. |
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Very large collection of open textbooks, learning objects, and "textmaps" (open content mapped to follow commercial textbooks) |
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A list of open textbooks for engineering, managed by the Scholarly Communication Committee (SCC) of the Engineering Libraries Division (ELD) of the American Society for Engineering Education (ASEE). |
